Wyoming

PERMITS:
Permits are valid for 4 days. Driver must have permit prior to entering the state.

TRAVEL TIME:
Travel is allowed one-half hour before sunrise to one-half hour after sunset, including weekends. Loads not exceeding 10′ wide, and all other dimensions are legal, may travel at night on Interstate highways only with proper lighting. Overweight only is allowed continuous travel.

RESTRICTED TRAVEL:
Moves requiring escorts are not allowed travel one-half hour after sunset the evening prior to a holiday until one-half hour before sunrise the day after the holiday. Some holiday weekends may also be restricted.

LEGAL DIMENSIONS:
Width: 8’6″
Height: 14′
Length: 60′ semi-trailer
Weight: 80,000 – 117,000 Gross; Single – 20,000; Tandem – 36,000; Tridem – 42,000

ROUTINE PERMIT LIMITS:
Width: 18′
Height: 17′
Length: 110′
Weight: Single – 25,000; Tandem – 55,000; Tridem – 65,000

ESCORTS:
On Interstate Highways:
Width: 15′ or wider– 1 escort
On 2-Lane Highways:
Width: 14′ wide or if load extends past center lane at any time – 2 escorts
Length: 110′ long or if load extends past center lane at any time – 2 escort
All Highways:
Overhang: 25′ or longer – 1 escort
Height: 17’6″- 1 escort with height pole

SAFETY REQUIREMENTS:
All oversize loads/vehicles must display Oversize Load on both front and rear. Red flags, 12′ square, are required on all over width loads and when the rear overhang is 4′ or greater. Night running, if allowed, requires an amber clearance light on each front corner and red clearance light on each rear corner of the load and a revolving amber light, amber strobe, or a pair of 2-way flashing amber lights. These lights need to be visible from both front and rear.